期刊
PHYSICS OF FLUIDS
卷 22, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3432498
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资金
- Ministerio de Ciencia [MTM2008-03255]
- Agence Nationale de la Recherche [ANR-09-JCJC-0022]
- Agence Nationale de la Recherche (ANR) [ANR-09-JCJC-0022] Funding Source: Agence Nationale de la Recherche (ANR)
We study the impact of a fluid drop onto a planar solid surface at high speed so that at impact, kinetic energy dominates over surface energy and inertia dominates over viscous effects. As the drop spreads, it deforms into a thin film, whose thickness is limited by the growth of a viscous boundary layer near the solid wall. Owing to surface tension, the edge of the film retracts relative to the flow in the film and fluid collects into a toroidal rim bounding the film. Using mass and momentum conservation, we construct a model for the radius of the deposit as a function of time. At each stage, we perform detailed comparisons between theory and numerical simulations of the Navier-Stokes equation. (C) 2010 American Institute of Physics. [doi:10.1063/1.3432498]
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